PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2585164Screw,cap,socket Head

Naval Ship Systems Command · NSN 5305-00-115-6184 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-115-6184 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-115-6184. Primary manufacturer part number: 2585164.
Features
  • Screw,cap,socket Head — FSC 5305
  • Head Diameter: 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
  • Departure From Cited Designator: AS MODIFIED BY SELF-LOCKING ELEMENT
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Nondefinitive Spec/std Data: 3 TYPE AND 9C STYLE
  • Head Style: PAN
  • Thread Class: 2A A
  • Fastener Length: 0.157 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-115-6184, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-115-6184
Primary Part Number2585164
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Head Diameter0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
Departure From Cited DesignatorAS MODIFIED BY SELF-LOCKING ELEMENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Nondefinitive Spec/std Data3 TYPE AND 9C STYLE
Head StylePAN
Thread Class2A A
Fastener Length0.157 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
Material Document and ClassificationQQ-S-637 FED SPEC ALL MATERIAL RESPONSES OR 66 FED STD ALL MATERIAL RESPONSES OVERALL
Head Height0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN
Thread Length0.095 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Internal Drive StyleCROSS RECESS TYPE 1
Nominal Thread Diameter0.138 INCHES IN
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
Thread Quantity Per Inch32
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-060-2540 INTERCHANGEABLE
Screw,cap,socket Head
5320-00-117-7516NASM21090 INTERCHANGEABLE
Rivet,solid
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-00-340-5424NAS1189E06P6 INTERCHANGEABLE
Screw,cap,socket Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-00-567-5903NAS1189-06T5L INTERCHANGEABLE
Screw,cap,socket Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-00-936-4983AES40K500878EE0A15 INTERCHANGEABLE
Setscrew
The American Society of Mechanical Engineers
5305-01-039-7553MS51965-117 INTERCHANGEABLE
Setscrew
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5306-01-097-5840 INTERCHANGEABLE
Bolt,machine
5306-01-112-78642585163-17 INTERCHANGEABLE
Bolt,machine
Naval Ship Systems Command
5305-01-291-4512 INTERCHANGEABLE
Screw,machine
5305-01-346-1579 INTERCHANGEABLE
Screw,cap,socket Head
Cross-Reference Index
Part NumberManufacturer
2585164 Naval Ship Systems Command (USA)
MIL-DTL-18240 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
FFS92 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
LK21090-0619 Torkon Fastener Corp (USA)
MS21090-0619 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
2585164-22 Naval Ship Systems Command (USA)
Related Parts
5305-00-060-2540INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5320-00-117-7516INTERCHANGEABLE
RIVET,SOLID
NASM21090
5305-00-340-5424INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
NAS1189E06P6
5305-00-567-5903INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
NAS1189-06T5L
5305-00-936-4983INTERCHANGEABLE
SETSCREW
AES40K500878EE0A15
5305-01-039-7553INTERCHANGEABLE
SETSCREW
MS51965-117
5306-01-097-5840INTERCHANGEABLE
BOLT,MACHINE
5306-01-112-7864INTERCHANGEABLE
BOLT,MACHINE
2585163-17
5305-01-291-4512INTERCHANGEABLE
SCREW,MACHINE
5305-01-346-1579INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-01-429-5654INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-01-476-9158INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
218071931A

Frequently Asked Questions

What is NSN 5305-00-115-6184?

NSN 5305-00-115-6184 is a Screw,cap,socket Head, manufactured by Naval Ship Systems Command, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-115-6184?

NSN 5305-00-115-6184 has 6 cross-referenced part numbers: 2585164 (Naval Ship Systems Command), MIL-DTL-18240 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), FFS92 (Federal Specifications Promulgated by General Services Administration Washington DC), LK21090-0619 (Torkon Fastener Corp), MS21090-0619 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.

What NSN replaces 5305-00-115-6184?

There are 12 known substitutes for 5305-00-115-6184: 5305-00-060-2540, 5320-00-117-7516, 5305-00-340-5424 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2585164?

Key specifications for 2585164: Head Diameter: 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN; Departure From Cited Designator: AS MODIFIED BY SELF-LOCKING ELEMENT; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Nondefinitive Spec/std Data: 3 TYPE AND 9C STYLE. 16 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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